868161880

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{7901}}^1$

素因数の和:8020

約数の個数: 64

約数和(自身を含む): 2031130080

約数和(自身を除く): 1162968200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 67, 82, 134, 164, 205, 268, 328, 335, 410, 536, 670, 820, 1340, 1640, 2680, 2747, 5494, 7901, 10988, 13735, 15802, 21976, 27470, 31604, 39505, 54940, 63208, 79010, 109880, 158020, 316040, 323941, 529367, 647882, 1058734, 1295764, 1619705, 2117468, 2591528, 2646835, 3239410, 4234936, 5293670, 6478820, 10587340, 12957640, 21174680, 21704047, 43408094, 86816188, 108520235, 173632376, 217040470, 434080940, 868161880]

約数ペア:

[(1, 868161880), (2, 434080940), (4, 217040470), (5, 173632376), (8, 108520235), (10, 86816188), (20, 43408094), (40, 21704047), (41, 21174680), (67, 12957640), (82, 10587340), (134, 6478820), (164, 5293670), (205, 4234936), (268, 3239410), (328, 2646835), (335, 2591528), (410, 2117468), (536, 1619705), (670, 1295764), (820, 1058734), (1340, 647882), (1640, 529367), (2680, 323941), (2747, 316040), (5494, 158020), (7901, 109880), (10988, 79010), (13735, 63208), (15802, 54940), (21976, 39505), (27470, 31604)]